cidr-calculator

Net Commander supercharges Visual Studio Code for Network Engineers, DevOps Engineers and Solution Architects streamlining everyday workflows and accelerating data-driven root-cause analysis.

IP Subnet Calculator — Enter any IPv4 address with a CIDR prefix or subnet mask to instantly get the network address, broadcast address, usable host range, wildcard mask, binary/hex breakdown, and classification. Includes a VLSM planner, subnet list generator, and reverse calculators for required hosts or subnets. Free on ToolAdda.online.

cidr-tools but up to 20x faster

Fragmented Classless Inter-Domain Routing (FCIDR)

go implementation of ipcalc

This CIDR Calculator script efficiently computes IP address ranges from CIDR notations, featuring a user-friendly interface and multilingual help options for enhanced accessibility.

A modern, object-oriented TypeScript library for representing and performing arithmetic on IP addresses and subnets.

CIDR (Classless Inter-Domain Routing) calculators are simple tools to assist you to calculate a block of IP addresses.

🚀 The ultimate network engineer's toolkit. Awesome networking resources, CIDR calculators, ASN lookups, IPv6 cheat sheets, BGP routing guides, and DNS troubleshooting. Powered by IPSuite.io

Subnetter provides a basic deconstruction of CIDR Notation for you subnet needs.

Code for CIDR Conflict Calculator for IBM Cloud Classic Infrastructure

A high-precision, single-file IPv4 Subnet Calculator built with vanilla HTML, CSS, and JavaScript. Designed with a luxury dark theme featuring gold and yellow accents, tailored for network engineers, system administrators, and CCNA/CCNP students.

Web utility tools privacy focused

IPv4 & IPv6 CIDR subnet calculator: netmask, network and broadcast address, usable range, host count, subnetting, binary view and a 48-term glossary in 6 languages. Fully client-side, no backend.

Design, visualize, and simulate enterprise networks in your browser — drag-and-drop topology builder, live packet capture, and a CIDR calculator.

Free, privacy-friendly browser tools for CIDR, chmod, cron expressions and Unix timestamps — built with vanilla HTML, CSS and JavaScript.

Subnet/CIDR calculator for your terminal — calculate network addresses, split subnets, check IP containment

Terraform module to calculate non-overlapping subnet CIDRs across AZs and tiers (resource-free; feeds any VPC module)

🌐 Fast Go CLI tool for CIDR network calculations and subnet analysis. Parse networks, calculate subnets, generate text/HTML reports.

Educational Java CLI tool for number-system conversion and IPv4 CIDR usable-host calculation.